1.更新MDNS广播的服务类型命名规范，防止出现多设备打开找不到MDNS的广播的问题 2.更新区分前后板的TAG

FactoryTestTool/SourceCode/Widget/MainWidget.h

@@ -54,8 +54,16 @@
 #include "FocusWindow.h"
 
 
+#include "../Network/mdns/qmdnsengine/include/server.h"
+#include "../Network/mdns/qmdnsengine/include/hostname.h"
+#include "../Network/mdns/qmdnsengine/include/provider.h"
+#include "../Network/mdns/qmdnsengine/include/service.h"
+#include "../Network/mdns/qmdnsengine/include/message.h"
+#include "../Network/mdns/qmdnsengine/include/query.h"
+
 #define TEST_UDP_BROADCAST     0      // 用于测试 UDP 组播实现 mdns 功能  非标准 mdns
 #define MANUAL_UPLOAD_LICENSE  0      // 打开手动上传 License的功能
+#define START_MDNS   1
 
 #define TCP_CONNECT_PORT       12412  // TCP监听的端口
 
@@ -68,6 +76,9 @@ public:
     explicit MainWidget(QWidget* parent = nullptr);
     ~MainWidget();
 
+signals:
+    void openFocusWindowRequested(int itemIndex);
+
 private slots:
     // 发送HTTP请求
     //void onSomeButtonClicked();
@@ -178,6 +189,7 @@ private:
     int          nextClientId;                 // 新增的客户端编号
     int          connectedClientsCount = 0;    // 连接客户端的数量
     int          isRequestSuccessful   = 0;    // GET请求是否成功
+    int          isBackBoardOrAllBoard = 0;
     bool         manualSend;                   // 判断是否是手动触发的发送
     bool         deviceConnected = false;      // 判断是否有设备连接过
     bool         isSendingAll;                 // 一键功能测试 状态
@@ -217,6 +229,7 @@ private:
 
     QTimer* threadStatusTimer;                 // 检查线程状态的定时器
     QTimer* connectionStatusCheckTimer;        // 检查连接状态的定时器
+    QMap<int, DataHandler*> dataHandlers;
     QMap<int, QThread*> clientThreads;   
     QMap<int, QTimer*>  clientReadTimers;
     QMap<int, ClientHandler*> clients_1;